You did not mention the type of surface, but in real life an extruded polymer is under stress and you must restrain the ends. As in real life a heated uncrosslinked polymer will shrink. The system probably behaved appropriately
PB > On Dec 9, 2019, at 11:31 AM, Mijiddorj B <b.mijidd...@gmail.com> wrote: > > Dear GMX users, > > I study the interaction between polymer and surface interactions. Polymer > parameters were prepared by cgenff, and the parameters of the surface were > solved by INTERFACEFF. I performed short simulations, however, the system > was shrunk. I used the standard mdp file of charmm-gui membrane builder > excluding the smaller time steps and no-constraints. > > If you have any experience, please advise me on how to solve this problem. > > Best regards, > > Mijiddorj > -- > Gromacs Users mailing list > > * Please search the archive at > http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting! > > * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists > > * For (un)subscribe requests visit > https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or send a > mail to gmx-users-requ...@gromacs.org. -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting! * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists * For (un)subscribe requests visit https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or send a mail to gmx-users-requ...@gromacs.org.
